diff options
Diffstat (limited to 'drivers/pci/Kconfig')
| -rw-r--r-- | drivers/pci/Kconfig | 81 |
1 files changed, 64 insertions, 17 deletions
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index fdc864f9cf2..893503fa178 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -1,14 +1,9 @@ # # PCI configuration # -config ARCH_SUPPORTS_MSI - bool - default n - config PCI_MSI bool "Message Signaled Interrupts (MSI and MSI-X)" depends on PCI - depends on ARCH_SUPPORTS_MSI help This allows device drivers to enable MSI (Message Signaled Interrupts). Message Signaled Interrupts enable a device to @@ -19,18 +14,7 @@ config PCI_MSI by using the 'pci=nomsi' option. This disables MSI for the entire system. - If you don't know what to do here, say N. - -config PCI_LEGACY - bool "Enable deprecated pci_find_* API" - depends on PCI - default y - help - Say Y here if you want to include support for the deprecated - pci_find_slot() and pci_find_device() APIs. Most drivers have - been converted over to using the proper hotplug APIs, so this - option serves to include/exclude only a few drivers that are - still using this API. + If you don't know what to do here, say Y. config PCI_DEBUG bool "PCI Debugging" @@ -42,6 +26,19 @@ config PCI_DEBUG When in doubt, say N. +config PCI_REALLOC_ENABLE_AUTO + bool "Enable PCI resource re-allocation detection" + depends on PCI + help + Say Y here if you want the PCI core to detect if PCI resource + re-allocation needs to be enabled. You can always use pci=realloc=on + or pci=realloc=off to override it. Note this feature is a no-op + unless PCI_IOV support is also enabled; in that case it will + automatically re-allocate PCI resources if SR-IOV BARs have not + been allocated by the BIOS. + + When in doubt, say N. + config PCI_STUB tristate "PCI Stub driver" depends on PCI @@ -51,6 +48,16 @@ config PCI_STUB When in doubt, say N. +config XEN_PCIDEV_FRONTEND + tristate "Xen PCI Frontend" + depends on PCI && X86 && XEN + select PCI_XEN + select XEN_XENBUS_FRONTEND + default y + help + The PCI device frontend driver allows the kernel to import arbitrary + PCI devices from a PCI backend to support PCI driver domains. + config HT_IRQ bool "Interrupts on hypertransport devices" default y @@ -60,12 +67,52 @@ config HT_IRQ If unsure say Y. +config PCI_ATS + bool + config PCI_IOV bool "PCI IOV support" depends on PCI + select PCI_ATS help I/O Virtualization is a PCI feature supported by some devices which allows them to create virtual devices which share their physical resources. If unsure, say N. + +config PCI_PRI + bool "PCI PRI support" + depends on PCI + select PCI_ATS + help + PRI is the PCI Page Request Interface. It allows PCI devices that are + behind an IOMMU to recover from page faults. + + If unsure, say N. + +config PCI_PASID + bool "PCI PASID support" + depends on PCI + select PCI_ATS + help + Process Address Space Identifiers (PASIDs) can be used by PCI devices + to access more than one IO address space at the same time. To make + use of this feature an IOMMU is required which also supports PASIDs. + Select this option if you have such an IOMMU and want to compile the + driver for it into your kernel. + + If unsure, say N. + +config PCI_IOAPIC + bool "PCI IO-APIC hotplug support" if X86 + depends on PCI + depends on ACPI + depends on X86_IO_APIC + default !X86 + +config PCI_LABEL + def_bool y if (DMI || ACPI) + select NLS + +source "drivers/pci/host/Kconfig" |